A single round robin tournament (SRRT) consists of n teams and a set of periods. Matches between the teams have to be scheduled such that each team plays against each other team exactly once and each team plays at most once per period. In order to establish fairness among teams we consider a...

Ein Ziel der Arbeitsgruppe Künstliche Intelligenz am Fachbereich Wirtschaft der Hochschule Wismar ist die praktische Anwendung der Methoden und Techniken der Künstlichen Intelligenz in der betriebswirtschaftlichen Praxis. Der Trend hin zum Einsatz von Wissen in entsprechenden IT-Lösungen und...

Credit relationships between commercial banks and quoted firms are studied for the structure and its temporal change from the year 1980 to 2005. At each year, the credit network is regarded as a weighted bipartite graph where edges correspond to the relationships and weights refer to the amounts...

We present a new approach to understanding credit relationships between commercial banks and quoted firms, and with this approach, examine the temporal change in the structure of the Japanese credit network from 1980 to 2005. At each year, the credit network is regarded as a weighted bipartite...

We examine the bipartite graphs of German corporate boards in 1993, 1999 and 2005, and identify cores of directors who are highly central in the entire network while being densely connected among themselves. Germany's corporate governance has experienced significant changes during this time, and...

In diesem Tutorial soll die Verwendung von EMF und GMF zur Erstellung eines einfachen grafischen Editors dargestellt werden. Dieses Beispiel ist eine dankbare Anwendung von EMF, weil die Modellierung von Petri Netzen mit der UML nicht möglich ist. Für dieses Beispiel gibt es Tutorials, die...

In this paper we describe the extreme points of two closely related polytopes that are assigned to a digraph. The first polytope is the set of all sharing vectors (elements from the unit simplex) such that each node gets at least as much as each of its successors. The second one is the set of...